Make sure the sheet is just big enough for the form.
How to shape abs plastic sheet.
Dipping the abs into a bath of cool water will help quickly lower its temperature so it will hold its new shape.
Leave room between the guide lines you ve drawn and where you cut.
Secure it with a clamp to prevent the material from moving.
Using a plastic cutter prepare the work surface and lay the plastic on it.
Make several scores along the guideline.
This will help prevent the plastic from warping.
Use a plastic cutting knife to cut the sheet down to the general overall size.
Measure the size of the of the overall piece you need.
Drill holes in the plastic along the guide lines so your blade has places to start and stop easily.
Water boils at 212 degrees fahrenheit at which point abs becomes soft and rubbery but will not burn.
Then mark the cutting line with a highlighter.
A common and safe method of reshaping abs plastic is to use boiling water which reduces risks involved with accidentally overheating abs.